Krum's campaigns Simeon I's campaigns Sviatoslav's invasion of Bulgaria Byzantine conquest of Bulgaria Uprising of Peter Delyan Second Bulgarian Empire The battle of Arcadiopolis (Bulgarian: Битkа при Аркадиопол, Greek: Μάχη της Αρκαδιούπολης) occurred in 1194 near the modern town of Lule Burgas (anc.

Towards 1194 Ivan Asen I had taken the important city of Sofia and the surrounding areas as well as the upper valley of the Struma River from where his armies advanced deep into Macedonia.

Most of Gidos's troops perished and he had to flee for his life, while the Western army was fully slaughtered and Basil Vatatzes was killed on the battlefield.

Byzantium had to attack from the south and Hungary was to invade the north-western Bulgarian lands and take Belgrade, Branichevo and eventually Vidin but the plan failed.

In the next year the Byzantines were defeated in the Battle of Serres, but overall Alexios was able to handle better the Bulgarian rebellion and force Tsar Kaloyan in a peace treaty.